211013970 has 16 divisors (see below), whose sum is σ = 506433600. Its totient is φ = 56270384.

The previous prime is 211013969. The next prime is 211013987. The reversal of 211013970 is 79310112.

211013970 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 211013970.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3516870 + ... + 3516929.

It is an arithmetic number, because the mean of its divisors is an integer number (31652100).

Almost surely, 2^211013970 is an apocalyptic number.

211013970 is an abundant number, since it is smaller than the sum of its proper divisors (295419630).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211013970 is a wasteful number, since it uses less digits than its factorization.

211013970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7033809.

The product of its (nonzero) digits is 378, while the sum is 24.

The square root of 211013970 is about 14526.3199056058. The cubic root of 211013970 is about 595.3473197578.

The spelling of 211013970 in words is "two hundred eleven million, thirteen thousand, nine hundred seventy".